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Old 09-16-2023, 02:01 PM   #9
nkaminar
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Join Date: Jan 2012
Location: Western North Carolina
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Default Re: Radiator boiling over

To test the radiator for proper flow, remove the upper and lower hoses and block the lower outlet with a ball or some sort of plug. Fill the radiator with pain water. Remove the lower plug. The water should completely drain in 2 or 3 seconds. You can do this test with the radiator in the car.
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